<template>
  <div>
    <!-- 头部 -->
    <header class="header">
      <!-- 头部的第一行 -->
      <div class="top">
        <div class="container">
          <div class="loginList">
            <p>尚品汇欢迎您！</p>
            <p v-if="userMessage.nickName">
              <span>欢迎您</span>
              <span>{{ userMessage.nickName }}</span>
              <span class="login_out" @click="loginOut">退出登录</span>
            </p>
            <p v-else>
              <span>请</span>
              <router-link to="/login">登录</router-link>
              <router-link to="/register" class="register"
                >免费注册</router-link
              >
            </p>
          </div>
          <div class="typeList">
            <a href="###">我的订单</a>
            <router-link to="/shopCart">我的购物车</router-link>
            <a href="###">我的尚品汇</a>
            <a href="###">尚品汇会员</a>
            <a href="###">企业采购</a>
            <a href="###">关注尚品汇</a>
            <a href="###">合作招商</a>
            <a href="###">商家后台</a>
          </div>
        </div>
      </div>
      <!--头部第二行 搜索区域-->
      <div class="bottom">
        <h1 class="logoArea">
          <router-link class="logo" to="/home">
            <img src="./images/logo.png" alt="" />
          </router-link>
        </h1>
        <div class="searchArea">
          <form action="###" class="searchForm">
            <input
              type="text"
              id="autocomplete"
              class="input-error input-xxlarge"
              v-model="keyword"
            />
            <button
              class="sui-btn btn-xlarge btn-danger"
              type="button"
              @click="toSearch"
            >
              搜索
            </button>
          </form>
        </div>
      </div>
    </header>
  </div>
</template>
<script>
import { mapState, mapMutations } from 'vuex';
import { reqLogout } from '@/api';
export default {
  name: 'Header',
  data() {
    return {
      keyword: '',
    };
  },
  mounted() {
    // 初始化阶段就要绑定$bus的事件，等待别人传值
    this.$bus.$on('clearKeyword', () => {
      this.keyword = '';
    });
  },
  methods: {
    ...mapMutations('User', ['remove_Token']),
    toSearch() {
      // 我们可以把关键作为params参数携带，但是我们在搜索的时候，很可能已经有三级分类的query参数了
      // 跳转的时候，要把query参数获取过来，一起合并后再跳转
      const { query } = this.$route;
      this.$router.push({
        name: 'Search',
        params: {
          keyword: this.keyword || null,
        },
        query,
      });
    },
    async loginOut() {
      await reqLogout();
      alert('退出登录成功！');

      // 清理本地的token
      this.remove_Token();

      // 刷新
      this.$route.go(0);
    },
  },
  computed: {
    ...mapState('User', ['userMessage']),
  },
};
</script>
<style scoped lang="less">
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }

          .login_out {
            cursor: pointer;
            padding-left: 20px;
            color: red;
            font-weight: bold;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }
      }
    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>
